Aim Sports HK to AR-15 Stock Adapter

Compatible with HK91, G3, PTR91, PTR-PDW, and HK93 rifles, the Aim Sports HK to AR-15 Stock Adapter converts your HK-pattern receiver to accept most AR-pattern buffer tubes and rifle stocks. It features high-quality aircraft aluminum construction with a durable anodized finish for superior strength and rigidity. Better yet, this adapter offers quick, user-friendly drop-in installation and does NOT require any permanent modification or custom gunsmithing. Includes all installation hardware.